Essays about: "chemical oxidation"
Showing result 16 - 20 of 113 essays containing the words chemical oxidation.
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16. Evaluation of long-term effects of excavated sulfide-bearing rock : - A case study in western Sweden
University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurserAbstract : Sulfide-bearing rock that is excavated in conjunction with construction projects can cause environmental and construction engineering problems. Sulfidic minerals oxidize when they are exposed to an oxidant and water, which can make them generate acid rock drainage (ARD) with high concentrations of metals and sulphate. READ MORE
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17. Evaluation of the effects of four consolidants on matte paint and their ageing
University essay from Göteborgs universitet/Institutionen för kulturvårdAbstract : This research starts with the analysis of the funeral coat of arms of Pehr Stålhammar, dated 1701, as a case material of matte paint in need of consolidation. This study aims to assess the effect of four consolidants on matte paint and their ageing properties. READ MORE
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18. Evaluation of the stability of immobilized lipases from Rhizomucor miehei and Rhizopus oryzae in high oleic sunflower oil
University essay from Lunds universitet/Bioteknik (master); Lunds universitet/Bioteknik (CI)Abstract : Lipase is one of the most useful enzymes in food industry, which can catalyze the hydrolysis and the synthesis of esters. However, the high cost due to the poor operation stability of lipase hinders the wide use of it. READ MORE
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19. The discoloration of polyethylene obtained from chemical separation of laminates: Investigating additives and other potential causes
University essay from Lunds universitet/FörpackningslogistikAbstract : PolyAl, the material composed of laminated polyethylene (PE) films and aluminum (Al) in carton, is a challenge in recycling due to the strong adhesion of the layers and the low value of the end products. In Europe, recent efforts to improve the circularity of carton packages include the chemical separation of PolyAl, in order to obtain higher values of the PE and Al separately. READ MORE
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20. Alkaline wet oxidation of biorefinery lignin from wheat straw
University essay from Lunds universitet/Kemiteknik (CI)Abstract : Climate change and depletion of fossil resources have generated a need for energy production based on renewable resources such as lignocellulosic biomass. Agricultural residues, like wheat straw, is lignocellulosic biomass that could contribute to the energy supply if it was used for biogas production. READ MORE